19386444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20981}}^1$

素因数の和:21006

約数の個数: 48

約数和(自身を含む): 56399616

約数和(自身を除く): 37013172

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20981, 41962, 62943, 83924, 125886, 146867, 230791, 251772, 293734, 440601, 461582, 587468, 692373, 881202, 923164, 1384746, 1615537, 1762404, 2769492, 3231074, 4846611, 6462148, 9693222, 19386444]

約数ペア:

[(1, 19386444), (2, 9693222), (3, 6462148), (4, 4846611), (6, 3231074), (7, 2769492), (11, 1762404), (12, 1615537), (14, 1384746), (21, 923164), (22, 881202), (28, 692373), (33, 587468), (42, 461582), (44, 440601), (66, 293734), (77, 251772), (84, 230791), (132, 146867), (154, 125886), (231, 83924), (308, 62943), (462, 41962), (924, 20981)]